fix: add deploy workflow to staging branch

.github/workflows/deploy.yml

@@ -0,0 +1,45 @@
+name: deploy
+
+on:
+  schedule:
+    - cron: '42 */12 * * *'
+  push:
+    branches: [ main ]
+  repository_dispatch:
+    types: [ deploy_master ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build site
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Use Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.11.0'
+      - uses: actions/checkout@master
+      - name: Build
+        run: |
+          npx @paneron/[email protected] --outdir dist --datadir geolexica
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: dist
+  deploy:
+    needs: build
+
+    permissions:
+      pages: write
+      id-token: write
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4